The washer under the screw head should seal to the surface of the panel without bulging or shifting.
How to install tin roof panels.
These will stop the entry of rain wind and pests.
Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge.
The good news is that there are many different solutions in terms of installing metal roofing panels including tin aluminum and steel.
Install the roofing screws vertically along each rib in the panel.
Close or seal off the ends with a wood or plastic strip under the panel at each end.
When you decide to install corrugated metal roofing you just need to make sure that you have the right materials.
Take care the first piece is aligned precisely perpendicular square to the edge.
Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
Corrugated metal roofing can be a convenient and relatively affordable way to provide protection without the need to install metal shingles.
Always begin working at the point with the longest peak to eave distance.
Moreover a corrugated metal roof is highly durable and will last for decades.